I personally know several people who pour acetone into benz to remove moisture from gasoline, and they say it cleans the engine, detonation disappears by 90%, starting in frost becomes easier.
In the example of P11 with SR20DEH, they also tried to pour, the engine seemed to be not very quiet, but it began to run even quieter, the traction from the bottom increased, the consumption fell slightly.

As for the rubber bands in the fuel, like acetone dries the rings on fuel injectors, all bullshit, many passed the tests, put the rings in acetone and kept them there.

At the expense of elastic bands and gaskets, etc. there was a dispute, for half a year they have been in acetone in 3 liters. bank and NOTHING, only their original appearance has been preserved even more)

All this went to speak from our foreign colleagues, from the USA

So, I quote

"... Initially, all Gasoline is 76th. To get 92nd and 95th according to the factory technology, it is necessary to add oxygen-containing components: methyl tert-butyl ether (MTBE) or its mixture with tert-butanol, called fetherol. due to the fact that these additives are quite expensive in fact, and under the silence of the regulatory authorities add an additive tri-alpha-methyl-tetracyclic toluene or a slightly different, but also based on toluene. The more of this additive, the higher octane number, We added a bucket per ton - from the 76th we got the 92nd. But to get the 95th, you need to add not a couple of liters to this bucket as calculated from the proportion, but also a bucket! (all this is rough, of course, in order for you to understand the mechanism). And what would be the 98th, another bucket and a half! that is, as you can see from this, there is a simple geometric progression. And to get European premium gasoline 99-102, five seven buckets per ton are obtained! at factories 98, it is not produced due to the lack of expediency of pouring such a quantity of additives, but it is easily produced at oil depots by pouring the required amount of toluene additives into the 76th gasoline. And it does not matter what from this for the latest engines European and japanese cars great harm, people demand the 98th, please you! Eat, do not crap! Checking by the research method will show an octane number of 98, which means that the legislation is not violated, there is no lead in it - it means that the ecology is not violated, and the car seems to be driving better, because the brain of the machine, seeing the absence of detonation, increases the ignition timing and the machine becomes faster and less consumption, and if so then you can sell it! But the fact that toluene, when burned from engines of new cars designed for 98th gasoline, turns into carbon monoxide with sintering into crystals, which look like pointed multi-pointed snowflakes, and in hardness approach a diamond like on sandpaper good quality... And what do you think will happen if you pour the powder from the sandpaper into the cylinders and ride? We understood that. By the way, the soot is light in color (it happens black if the engine is already worn out and eats oil) and is a consequence of a large amount of toluene, because the gasoline itself gives a minimal soot. But this no longer bothers the manufacturers of the homebrew 98th, because they know that it is best to pour the 92nd, it has at least less toluene additive and, accordingly, less damage to the engine.
But what to pour gasoline into the 92-0 to increase the octane number and so that this carbon deposit does not form and even clean itself, I also know, but I will not tell, or even so there are too many secrets for you)) And so we have: We have 92 supersaturated with toluene-containing additive. We know that gasoline is a saturated hydrocarbon, org. Comm., carbon atoms to-rykh are connected to each other by simple (ordinary) bonds. formula: C6H6. Since these connections are simple, they are also very unstable, because as you can see from the formula, there is no tetracyclic link. It is clear that in order to increase the resistance to unstable detonation, we need to introduce such a link. but where to get it? You can add toluene, it is there, but due to its specificity, it has a lot that is superfluous in its formula, which means that it does not suit us, but it suits chemists from oil depots, because pretty cheap. We look further among the available funds and consider their formulas ... And lo and behold! there is such a substance! And everywhere, in any household store! It's ACETONE! But why exactly he? Let's consider its chemical formula ... CH3-CO-CH3. As you can see, there are two tetracyclic methyl units in it, which will not allow gasoline to detonate before it is ignited by a spark. But what about carbon deposits? The evaporation rate of acetone is 20 times higher than that of gasoline, hence it becomes clear that when it enters the combustion chamber, it evaporates before gasoline and, getting into carbon deposits in the combustion chamber, it gradually dissolves it. At the same time, its combustion rate is higher than that of gasoline, and the temperature is lower, which makes it possible to reduce the combustion temperature and negate the formation of abrasive particles from toluene and oil. All this is not a secret in fact, all this knowledge is elementary and is at the level of the 7th grade of secondary school, you undoubtedly studied this, but you just did not finish your studies)))
The proportions are as follows: I pour 100 grams of acetone on 10 liters of gasoline. it doesn't make sense to pour more. start by side properties in the form of a further decrease in temperature and an increase in consumption. But this is only for injection engines! You cannot pour acetone into carburetor ones! since it is detrimental to carburetors. After a while, all carbon deposits in the combustion chamber will disappear, and it will look like it had just been from the factory. You need to pour just right before refueling, so that acetone mixes well with gasoline ... "

First, a little theory.

Acetone - (dimethylketone, systematic name: propanone) is the simplest representative of ketones. Formula: CH3-C (O) -CH3. Colorless volatile liquid with a characteristic odor. At 20 ° C the solubility of O2 gas: 3.1 ml per 100 ml of water, 22 ml per 100 ml of ethanol, 23.1 ml per 100 ml of acetone. Fully miscible with water and most organic solvents. Acetone dissolves well many organic substances (cellulose acetate and nitrocellulose, wax, rubber, etc.), as well as a number of salts (calcium chloride, potassium iodide).

I highlighted in bold what I would like to focus on.
1. This is the concentration of oxygen in acetone. It is the highest of the inexpensive additives (in the same sodium oxide NO2 it is ten times more).
Increasing the content of oxygen molecules in gasoline is good. The mixture will be better mixed before setting fire, due to the strong volatility of acetone and will burn completely due to the rate of combustion of oxygen.
We will get a more economical car and a little more torque due to the strong expansion of acetone when heated in the combustion chamber.
By the way, acetone is already added to high-octane gasoline, but for the sake of economy - a little.
When normal work of all sensors (exhaust temperature, lambda probe) the brains of the car perfectly adjust the mixture for the "new" fuel.
Especially acetone is relevant in summer time... In winter, rumors that the car starts better with it are ambiguous. from chemistry lessons, we could remember that at -20, acetone freezes.
The self-ignition temperature of acetone is +465 ° C
Compared to petrol 257 ° C (no additives).
Considering this fact, we see an improved detonation resistance of acetone - there is less risk that it will light up before the candle sparks, for example, simply from the heat in the cylinder.

2. Acetone is completely mixed with water, removing all condensate from the car system, burning it in the combustion chamber and throwing it out into the street through a pipe)))
I all know that moisture inside a gas tank is harmful to the pump and everything else. Acetone mixing with water allows water to pass further to the engine. Without acetone, water accumulates in the lowlands. gasoline is lighter than water and it sinks down. Well, pour a little benzene into a glass of water - you will understand.

3. Acetone dissolves all kinds of threshing floors. This threshing floor soothes on candles and nozzles. Compared with the use of special. cleaning agents, acetone cleans the engine elements more gently and you can drive it every day, and not put the car for cleaning. It is always present in the system, preventing the formation of a new threshing floor.

4. Acetone mixes well with gasoline itself due to its similar density (Gasoline density \u003d 0.75 g / cm³, acetone density \u003d 0.78 g / cm³).

5. Safety for the engine.
The combustion temperature of acetone is 10 times lower than that of gasoline, which has a beneficial effect on the operation of the engine itself at high loads.

Pros of acetone in benzene:
Less risk of detonation (octane increase)
Removing the threshing floor on candles and nozzles
Removing water from the system
Reduced consumption
Smoother idling
Lower traction increases

Minuses
You look like an asshole at a gas station.
You quickly get hooked on this crap and it seems that the car won't go without acetone.
In addition to refueling, you spend time going to a household goods store.
In a store, if you buy in the same, the sellers start looking for signs of a drug dealer in you.

Next I will talk about the Application.
Dosage.
I pour on full tank 300-350 ml.
With a single filling of 15 liters, I first splash 70-100 ml of acetone. Then pour the benz to mix better.
Then I go like an asshole from side to side so that everything mixes up in the bug better))) HZ why, but I want it so much)) I drive a little 200 meters into the swing

Purchase.
We buy pure technical acetone without additives and additives. Stupidly acetone.
It costs 70 rubles a bottle of 500 ml.

He seems to have told everything.

Vietnamese authorities have banned the use of acetone as an additive to motor gasoline. The corresponding decree was signed by the State Office for Standards and Quality on September 7.
From today, the law officially comes into force. The ban applies both to gasoline intended for domestic marketand for gasoline intended for export.
Until recently, acetone additives to gasoline were the norm in Vietnam and were widely used to increase the octane number of automotive fuels. However, the Vietnamese government decided to ban the use of acetone for these purposes due to its extremely harmful effects on human health and the environment.


Links to bortovik who poured acetone:
1. Subaru